SAE AMS7277 Rings, Sealing, Synthetic Rubber Phosphate Ester Hydraulic Fluid Resistant, Butyl Type 70-85 (Cancelled Apr

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Product Code:SAE AMS7277
Title:Rings, Sealing, Synthetic Rubber Phosphate Ester Hydraulic Fluid Resistant, Butyl Type 70-85 (Cancelled Apr 1991)
Issuing Committee:Ams Ce Elastomers Committee
Scope:
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【英文标准名称】:StandardPracticeforDescriptionandSelectionofConditionsforPhotographingSpecimensUsingAnalog(Film)CamerasandDigitalStillCameras(DSC)
【原文标准名称】:使用模拟相机和数字静止相机的摄影样片条件描述和选择标的准实施规程
【标准号】:ASTME312-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E12.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:验收检验;条件;摄影;图象;工艺;试件;试验
【英文主题词】:analogcamera;digitalstillcamera;DSC;lighting;photography;viewing
【摘要】:Thispracticeprovidesabasisforchoosing,specifying,recording,communicating,andstandardizingtheconditionsandprocessesthatdeterminethenatureofaphotographicimageofaspecimen.Itsprovisionsareparticularlyusefulwhenthephotographicimageisusedtopreserveorcommunicatetheappearanceofaspecimeninvolvedinanagingorstressingtestthataffectsitsappearance.Itisoftenusefultocomparephotographsmadeunderidenticalconditionsbeforeandafteratesttoillustrateachangeinappearance.Thispracticedealswithspecificdetailsofcameratechniqueandthephotographicprocess,soitwillprobablybebestunderstoodandimplementedbyatechnicalphotographerorsomeonetrainedinphotographicscience.Thepersonrequiringthephotographmustclearlyindicatetothephotographerwhatfeaturesofthespecimenareoftechnicalinterest,sohemayusetechniquesthatmakethosefeaturesclearlyevidentinthephotograph,withoutmisrepresentingtheappearanceofthespecimen.Thispracticeprovidesusefulguidanceonpresentingphotographsforviewing,providinganindicationofdimensionsorscale,indicatingtheorientationofthepicture,andreferringtoparticularpointsonapicture.Thesetechniquesshouldbeusefultothosewritingtechnicalliteratureinvolvingillustrationsoftheappearanceofspecimens.Themethodsofthispracticeshouldcontributemateriallytotheaccuracyandprecisionofotherstandardsthatrelyonpicturestoindicatevariousgradesofsomeattributeofappearance,suchasblisteringorcracking.Foracceptancetesting,manufacturingcontrol,andregulatorypurposes,itisdesirabletoemploymeasurement,butinthosecaseswheretherearenomethodsofmeasuringtheattributeofappearanceofinterest,well-madephotographsorphotomechanicalreproductionsofthemmaybethebestavailablewaytorecordandcommunicatetoaninspectorthenatureoftheattributeofappearance.1.1Thispracticedefinestermsandsymbolsandprovidesasystematicmethodofdescribingthearrangementoflights,camera,andsubject,thecharacteristicsoftheillumination,thenatureofthephotographicprocess,andtheviewingsystem.Conditionsforphotographingcertaincommonformsofspecimensarerecommended.Althoughthispracticeisapplicabletophotographicdocumentationingeneral,itisintendedforuseindescribingthephotographyofspecimensinvolvedintestingandinstandardizingsuchproceduresforparticularkindsofspecimens.Thispracticeisapplicabletomacrophotographybutphotomicrographyisexcludedfromthescopeofthispractice.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G81;A15
【国际标准分类号】:37_040_10
【页数】:9P.;A4
【正文语种】:


基本信息
标准名称:混凝土模卡砌块工程施工及质量验收规程(附条文说明)
中标分类: 工程建设 >> 工程结构 >> 砌体结构工程
ICS分类: 土木工程 >> 道路工程 >> 道路设备和装置
发布日期:
实施日期:2004-12-01
首发日期:
作废日期:
出版日期:
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所属分类: 工程建设 工程结构 砌体结构工程 土木工程 道路工程 道路设备和装置